f(x)=x^2(3x+1)

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Solution for f(x)=x^2(3x+1) equation: 


Simplifying
f(x) = x2(3x + 1)

Multiply f * x
fx = x2(3x + 1)

Reorder the terms:
fx = x2(1 + 3x)
fx = (1 * x2 + 3x * x2)
fx = (1x2 + 3x3)

Solving
fx = 1x2 + 3x3

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'x'.
f = x + 3x2

Simplifying
f = x + 3x2

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